Jabra EVOLVE 30 II MS Mono (5393-823-309)

Jabra EVOLVE 30 II MS Mono (5393-823-309) Headset Features - Answer/End Controls, Music Control, Mute Function, Noise Cancellation, Volume Control Microphone Design - Boom Microphone Frequency Response - 100 Hz to 10 kHz Microphone Sensitivity - 48 dB Speaker Driver Size - 28.00 mm Earpiece Design - On-Ear Listening Mode - Monaural Speaker Frequency Response - 150 Hz to 7 kHz Speaker Sensitivity - 94 dB Impedance - 32 Ohms Host Connection - USB / 3.5 mm Wearing Style - Over-the-Head Cable Length - 120 cm Weight - 171.1 g